Air driven diaphragm pump



FIG. 1 is a perspective view of the air driven diaphragm pump showing the design.

FIG. 2 is a side view of the air driven diaphragm pump of FIG. 1 showing the other side of the design not seen in FIG. 1.

FIG. 3 is an end view of the air driven diaphragm pump of FIG. 1 showing the other end of the design not seen in FIG. 1; and,

FIG. 4 is a bottom view of the air driven diaphragm pump of FIG. 1. 

The ornamental design for an air driven diaphragm pump, as shown and described. 